How to install the Gpay apk?

[HarryFromTheBlock]

Hi there,

I am a noob when it comes to installing updates via apk files. Can anyone assist me in this. I currently have a Xiaomi 14 (houji) with hyperos EU flashed (via TWRP).
Now I want to install the Gpay fix/update. How do I do this exactly?

Thanks a million